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Bag Type Dust Collector

Wuxi Huaguang Electric Power Engineering Co., Ltd.

Country/Region:China

Tel:86-791-8176366

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Bag Type Dust Collector

Country/Region china
Company Wuxi Huaguang Electric Power Engineering Co., Ltd.
Categories Bag Filter Dust Collector
Update 2011-09-20 17:08:42
Telephone 86-791-8176366
ICP License Issued by the Chinese Ministry
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INTRODUCTIN

FVB-FN Series bag type dust collector is developed jointly by Design & Research Institute for Environmental Protection of Building Materials under China Silicate Society and our company by adopting up-to-date technology from Japan and USA . So, it is a bag type dust collector with excellent performance and high efficiency. This type of dust collector has integrated advantages of other types of dust collectors such as sectional reverse blowing and internal filtering and adopted up-to-date technology and process of reverse suction de-ashing, motorized 3-way valve etc. to increase the de-ashing efficiency, to extend the lifetime of bag, to overcome the disadvantage of de-ashing and filtering simultaneously. It has also the features of simple operation and maintenance, and safe, stable and reliable operation.
This product has been widely used, as the dust collection system, in the fields of power industry, iron and steel industry, metallurgical industry, chemical industry, kiln furnace mill in cement industry. For example, it can be used for the dust collection of pulverizing system with O-sepa selector, which allows a dust density of up to 1000g /Nm 3 in the air for the primary dust collection with out cyclone dust collector. It can also be applied to the dust collection for coal pulverizing system, dryer, vertical kiln if it has been equipped with explosion protected and temperature insulation equipment, or applied to dust treatment in the professions of glass, ceramic. Customers' selections are welcome and we will provide you with excellent service.

Ⅰ . Equipment Structure

1. Main components of dust collectorenclosure, bag assembly, exhaust pipes, reverse blowing pipe, air intake pipe, manhole door, dust discharge device, support bracket, various kinds of valves etc.
2. Control section of dust collectoradvanced digital PLC control technology adoptedmain components from ABB ).
3. Main fan blower matched with the equipment: dust conveying device, air intake and exhaust pipes.

. Operational Principle

1. FilteringAir or gas contained dust will enter into the chamber under the function of main fan blower and some rough dust will drop into the bottom of dust hopper due to inertia and collision. The dust-contained gas is distributed into each chamber evenly by guide device and it then becomes clean air after being filtered through the surface of filtering bags and is exhausted by main fan through the exhaust pipes on the top of chamber.

This dust collector is operated under negative pressure and the dust contents in the air after purification shall be less than 50mg/Nm 3 which is better than the requirements of national standard.

2. De-ashing and electrical controlAfter the operation of dust collector, the dust layer gathered at internal surfaces of bags is increased. When its resistance has reached a certain value (or after certain time operation), the control system will switch the direction of electrical valve; natural air or circulating air will be sucked into the filtering chamber due to the negative pressure; the filtering bag becomes flat and vibration occurs to do de-ashing to make dust separated and dropped into ash hopper which is then exhausted by screw conveyer and dumping device.

The whole de-ashing process is carried out chamber by chamber and is controlled by PLC and it can also be carried out by 3 kinds of controlling methods: pressure difference, timing and manual mode. The 3-way changeover valve, pneumatic components, cooling air valve, dumping valve are used to realize a programmable control for the system and as for the sensors they are interlocked controlled such as temperature or level alarm, cooling system, by-pass system and switch on /off.

In this way, the de-ashing efficiency is insured and at the same time the lifetime of bag is extended and so does the operational efficiency.

Ⅲ . Kinds of Filtering Materials Follows are the materials for customer's selection )

Filtering MaterialTemperature Resistance
1Normal temperature needling felt120
2High temperature needling felt compound200
3High temperature-resistant glass compound260
4Glass fiber cloth260
5Glass fiber bulk yarn cloth280

Ⅳ . Main Current Products Available

Dust Collector of Long bag, Low Pressure, Pulse and Off-line Type
Dust Collector of Long Bag, Low Pressure, Pulse and On-line Type
Dust Collector of Low Pressure, Cloth Drum, Pulse Type
Dust Collector of High Pressure, Cloth Drum, Pulse Type
Dust Collector of Air Chamber, Pulse and Bag Type
Filtering BagNormal or High Temperature
Bag CageRound or Star Typeetc.

Ⅴ . Explanations to Type Selection:

1Explanation


Product Tags:

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